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- spatial data cleaning 空间数据清理
- Data of SWEM include spatial data and table data. 水土保持监测数据根据数据格式划分,可分为空间数据和表格数据。
- Solution providers usually take care of data cleaning and enhancement issues. 解决方案提供者通常关心数据清理和增强问题。
- The system can accomplish figure data management, attribute data management and spatial data analysis. 该系统是一个集图形数据管理、属性数据管理和空间数据分析为一体的管理信息系统。
- Data cleaning is the process of cleaning valid data to make it more precise and meaningful. 数据清理是清理有效数据,使之更精确更有意义的过程。
- Research result shows that incorrectness data cleaning method based on outlier detection can detect incorrectness data of data source effectively. 研究表明:基于孤立点检测的错误数据清理方法能有效地检测数据源中的错误数据。
- A GIS is often used to store, retrieve, and render this Earth-relative spatial data. GIS系统通常用于存储,查询,及绘制空间信息。
- Spatio-temporal DBMS (database management system) is a DBMS which can handle the temporal data and the spatial data. 时空数据库管理系统(Spatio-Temporal DBMS)是能够同时处理时态数据和空间数据的数据库管理系统。
- The key technology of data cleaning process is detecting and deleting the approximately duplicate data records. 而数据清洗的核心工作就是清洗近似重复记录。
- The abstract data model(ADT) of spatial data,vector and raster,is defined firstly based on basic types. 首先基于基本类型派生定义矢量和栅格抽象数据类型,在此基础上定义时空数据类型为一系列空间类型的时间片序列。
- ETL is a crucial process of constructing data warehouse,which includes data cleaning. ETL是构建数据仓库的重要环节,数据清洗就包含在其中。
- Abstract:Spatial data quality is the basis of cadastral data's updating, query and analysis. 摘要:地籍空间数据质量是地籍数据更新、信息查询与分析的基础。
- GIS software has strong treatment ability of spatial data and the attribute data. 摘要GIS具有强大的空间数据和属性数据的处理能力。
- For example, you might want to add to the File System folder a Data Cleaning folder that contains all the packages used for cleaning data. 例如,您可能希望在“文件系统”文件夹中添加一个“数据清理”文件夹,该文件夹将包含用于清理数据的所有包。
- The GML-based spatial data exchange model and SVG-based information visual model are proposed. 提出了基于GML空间数据交换和基于SVG的信息可视化模型。
- It is always the difficulty to find out the "same entity from different sources(SEDS)" data in the data cleaning process of the data warehouse. 在数据仓库构建的数据清理过程中,同体不同源数据的发现一直是清理过程的难点。
- In Macao, a spatial data set is maintained by DSCC for the desktop application of GIS and web-GIS. 在澳门,DSCC 为GIS 和网GIS的桌面应用程序保持空间数据集合。
- Examining and eliminating approximately duplicated records is one of main problems needed to solve for data cleaning and improving data quality. 摘要检测和消除数据仓库中的相似重复记录是数据清洗和提高数据质量要解决的主要问题之一。
- A hybrid 3D spatial data model based on multi-DEMs and quasi tri-prism volume(QTPV) is proposed. 提出一种基于多层DEM与似三棱柱体元(QTPV)的混合三维数据模型。
- Examining and eliminating approximately duplicated records is one of key needed solution for data cleaning and data quality improving. 而检测和消除数据仓库中的相似重复记录是数据清洗和提高数据质量要解决的关键问题之一。
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